周しゅう易えきしゅうえきMeanings1noundivination based on the Book of ChangesRefers specifically to the divination method using the 易経 (I Ching), the ancient Chinese classic also known as the Book of Changes.See also: 易経彼かれは周しゅう易えきで今日きょうの運うん勢せいを占うらなった。